Planting peach trees on their farm makes more sense for the Johnsons than ... ...

Planting peach trees on their farm makes more sense for the Johnsons than planting apricot trees. Although fresh, locally grown apricots are very popular in this area, the same is true of peaches. However, individual peach trees cost much less to purchase and plant than do apricot trees, and peach trees also begin bearing fruit at a much younger age. Which one of the following, if true, would most seriously weaken the argument?
(A) Fresh, locally grown apricots sell at a much higher price than do fresh, locally grown peaches.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Oct 2012 LSAT (PT67): Logical Reasoning A